Adjusts to fit 68 and 73mm shells and E-type front mechs, with a 113mm axle length.

- ISIS drive.
- M15 cromoly spindle.
- Shot peened finish forged and CNCd aluminium cups.
- Single row, double sealed cartridge bearings.
- Two bearings on the drive side.
- 96 ball bearings in each bb.
- Proprietory non side-loading design.

Weight: 230g.